Replacing numbers in bash scripts
I have lines in some files that look exactly as below, and the line numbers they occur in are always the same. (Lines 136-139)
W 0.00000000 0.00000000 2.00000000
W 0.50000000 0.50000000 2.50000000
W 0.00000000 0.00000000 3.00000000
W 0.50000000 0.50000000 3.50000000
I'd like to replace the last number in each row for each file by numbers related to the variable $vacheight, so that the median of these 4 numbers is always half of $vacheight.
The files are all named "run_example", but are in different folders named "examples#" where # is a number from 140 to 199.
As a related example, Line 117 reads:
equal to half of the vacheight value?
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